package com.sky.controller.admin;

import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.UUID;

/**
 * 通用接口
 */
@RestController
@RequestMapping("/admin/common")
@Api(tags = "通用接口")
@Slf4j
public class CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;

    /**
     * 文件上传
     *
     * @param file
     * @return
     */
    @PostMapping("/upload")
    // file 变量名与前端的file变量名保持一致
    public Result<String> upload(MultipartFile file) {
        log.info("文件上传：{}", file);


        // 上传至阿里云OSS
        try {
            String dir = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy/MM/dd"));
            // 原始文件名
            String originalFilename = file.getOriginalFilename();
            // 截取扩展名 .lastIndexOf(".")
            String extension = originalFilename.substring(originalFilename.lastIndexOf("."));
            // UUID 防止文件名重复 导致文件被覆盖
            String objectName = dir + "/" + UUID.randomUUID().toString() + extension;

            // 文件请求路径
            String filePath = aliOssUtil.upload(file.getBytes(), objectName);
            return Result.success(filePath);
        } catch (IOException e) {
            log.info("文件上传失败: {}", e);
        }
        return Result.error(MessageConstant.UPLOAD_FAILED);
    }

}
